With a less-than-ideal quarterback situation, the Vikings will lean heavily on Adrian Peterson. But can new boss Mike Zimmer coach up a struggling secondary and inconsistent offensive line in Minnesota? Read

After a decade of running a Kevin Gilbride offense, can New York Giants quarterback grasp Ben McAdoo's new system in time to turn around the team from last year? Is coach Tom Coughlin on the hot seat? Read

Houston's J.J. Watt put together two straight monstrous seasons. Adding No. 1 overall pick Jadeveon Clowney should strike fear in opposing coaches' souls, but is it enough to make the Texans much better? Read

Andrew Luck is already a stud at quarterback. But the banged-up Indianapolis Colts offensive line may struggle to keep him clean throughout the season. What else is in store for the Colts' 2014 campaign? Read

The Kansas City Chiefs were one of the NFL's surprise stories in 2013, going from a 2-14 squad to a playoff team in one season. Will the Chiefs build on their success or revert back to old form in 2014? Read

The Raiders went through their yearly overhaul in the offseason, adding a number of veteran pieces to try to get Oakland its first winning record since 2002. Does Dennis Allen have the right pieces? Read